Home / 835,496,516.38-1,253,286,402.30-317,967,067.12

Finding the Fourth Proportional to 835,496,516.38, 1,253,286,402.30 and 317,967,067.12

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Solution

The fourth proportional to 835,496,516.38, 1,253,286,402.30 and 317,967,067.12 is: 476,966,443.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,496,516.38 : 1,253,286,402.30 = 317,967,067.12 : x
  2. Step 2: Convert to fraction form
    835,496,516.38/1,253,286,402.30 = 317,967,067.12/x
  3. Step 3: Cross multiply
    835,496,516.38x = 1,253,286,402.30 × 317,967,067.12
  4. Step 4: Simplify right side
    835,496,516.38x = 398,503,801,600,707,392
  5. Step 5: Solve for x
    x = 398,503,801,600,707,392/835,496,516.38
  6. Step 6: Final answer
    x = 476,966,443.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.